/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QIOSWINDOW_H
#define QIOSWINDOW_H

#include <qpa/qplatformwindow.h>
#include <qpa/qwindowsysteminterface.h>

#import <UIKit/UIKit.h>

class QIOSContext;
class QIOSWindow;

@interface UIView (QIOS)
@property(readonly) QWindow *qwindow;
@property(readonly) UIViewController *viewController;
@end

QT_BEGIN_NAMESPACE

@class QUIView;

class QIOSWindow : public QObject, public QPlatformWindow
{
    Q_OBJECT

public:
    explicit QIOSWindow(QWindow *window);
    ~QIOSWindow();

    void setGeometry(const QRect &rect);

    void setWindowState(Qt::WindowState state);
    void setParent(const QPlatformWindow *window);
    void handleContentOrientationChange(Qt::ScreenOrientation orientation);
    void setVisible(bool visible);

    bool isExposed() const Q_DECL_OVERRIDE;

    void raise() { raiseOrLower(true); }
    void lower() { raiseOrLower(false); }
    void requestActivateWindow();

    qreal devicePixelRatio() const;

    bool setMouseGrabEnabled(bool grab) { return grab; }
    bool setKeyboardGrabEnabled(bool grab) { return grab; }

    WId winId() const { return WId(m_view); };

    QIOSWindow *topLevelWindow() const;

private:
    void applyGeometry(const QRect &rect);

    QUIView *m_view;

    QRect m_normalGeometry;
    int m_windowLevel;

    void raiseOrLower(bool raise);
    void updateWindowLevel();
    bool blockedByModal();

    inline Qt::WindowType windowType() { return static_cast<Qt::WindowType>(int(window()->flags() & Qt::WindowType_Mask)); }
    inline bool windowIsPopup() { return windowType() & Qt::Popup & ~Qt::Window; }

    friend class QIOSScreen;
};

QT_END_NAMESPACE

#endif // QIOSWINDOW_H